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Laxmi Chauhan

UP Board 10th Class 2021 (For Hindi Medium Students)
About UP Board Crash Course
1 year ago

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Ashok Kumar

1 year ago

6C^14, 7N^14समभारिक है

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Ashok Kumar

1 year ago

7N^13&7N17 समस्थानिक है

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Ashok Kumar

1 year ago

6C^14&8O^16 समन्यूट्रॉनिक है

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